Kendra has a painting canvas that is 20 inches wide by 37 inches high. she painted a red rose, which covered 50% of the canvas. what was the area of the canvas which was covered by the red rose?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil